Machine Design The objective of idler pulley in belt drive is to All the above objectives Decrease the tendency of belt to slip Increase the power transmission capacity Increase the wrap angle and belt tension All the above objectives Decrease the tendency of belt to slip Increase the power transmission capacity Increase the wrap angle and belt tension ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of endurance limit in shear to the endurance limit in flexure is 0.33 0.55 0.4 0.5 0.33 0.55 0.4 0.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Coaxing is the procedure of increasing Metal hardness by surface treatment Fatigue limit by over-stressing the metal by successively increasing loadings Metal resistance to corrosion by coating Metal strength by cycling Metal hardness by surface treatment Fatigue limit by over-stressing the metal by successively increasing loadings Metal resistance to corrosion by coating Metal strength by cycling ANSWER DOWNLOAD EXAMIANS APP
Machine Design The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to(Where, Pc = tension in belt due to centrifugal force) 1 Pc 2 Pc 3 Pc Pc/3 1 Pc 2 Pc 3 Pc Pc/3 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a flange coupling, the bolts are subjected to Compressive stress Shear stress None of these Tensile stress Compressive stress Shear stress None of these Tensile stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rolling contact bearings as compared to sliding contact bearings have Accuracy of shaft alignment Low starting and low running friction except at very high speeds All of these Small overall dimensions Accuracy of shaft alignment Low starting and low running friction except at very high speeds All of these Small overall dimensions ANSWER DOWNLOAD EXAMIANS APP